CN205258505U - Usable secondary zinc oxide production system of waste heat - Google Patents
Usable secondary zinc oxide production system of waste heat Download PDFInfo
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- CN205258505U CN205258505U CN201520958665.3U CN201520958665U CN205258505U CN 205258505 U CN205258505 U CN 205258505U CN 201520958665 U CN201520958665 U CN 201520958665U CN 205258505 U CN205258505 U CN 205258505U
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- heat exchanger
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- pelletizer
- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model discloses an usable secondary zinc oxide production system of waste heat relates to the solid waste processing technique field. Including loading attachment, rotary kiln, deposit room, chevron shape condenser pipe, dust chamber and the draught fan that connects gradually, wherein the deposit room is inside is equipped with the water tank, and chevron shape condenser pipe inner wall is equipped with the water jacket, and water tank and water jacketed water inlet are connected with the cistern, the mouth that subsides of deposit room still is connected with the feed inlet of pelletizer, and the discharge gate and the loading attachment of pelletizer are connected, the pelletizer is drum formula pelletizer, the rotary kiln outside is equipped with a heat exchanger, and the pelletizer is inside to be equipped with the 2nd heat exchanger, and it is cylinder heat exchanger, and water tank and water jacketed delivery port are connected with the 2nd heat exchanger's water inlet, a heat exchanger's delivery port and the 2nd heat exchanger's water inlet are connected. After adopting above -mentioned structure, can fully collect and utilize the waste heat to reduce the required energy consumption of production, simple structure, convenient operation, it is energy -concerving and environment -protective.
Description
Technical field
The utility model relates to field of solid waste treating technology.
Background technology
In existing iron and steel enterprise, multiple links all can produce solid waste, as the gravitational dust of sintering dirt, blast furnace ironmaking, gas ash, electric furnace steel making cigarette ash and converter steeling sludge etc. Because these solid waste impurity contents are high, iron-holder is low and be difficult to processing and utilizing, most of solid waste is all abandoned to be processed, and not only causes the wasting of resources, also environment has been caused to very large pollution. But in discarded object, also there is the metallic element that much can recycle. In the time extracting zinc element, mainly by redox method, zinc element is become to secondary zinc oxide gas, then carry out extraction process.
In the process of processing solid waste, solid waste is passed through feeding device, rotary kiln, expansion chamber, herringbone condenser pipe and dust chamber successively, completes final cooling being collected of a series of reaction. Can release heat in sedimentation and cooling procedure, rotary kiln heating also can release heat, and at present, by heat recovery and again incorporate the also imperfection of equipment that secondary zinc oxide is produced, UTILIZATION OF VESIDUAL HEAT IN efficiency is not high.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of waste heat available secondary zinc oxide production system, can fully collect and utilize the waste heat producing in production link everywhere, reduce and produce required energy consumption, simple in structure, easy to operate, and energy-conserving and environment-protective.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
The available secondary zinc oxide production system of a kind of waste heat, comprise the feeding device, rotary kiln, expansion chamber, herringbone condenser pipe, dust chamber and the air-introduced machine that connect successively, its middle setting chamber inside is provided with water tank, herringbone condenser pipe inwall is provided with water jacket, and the water inlet of water tank and water jacket is connected with cistern; The sedimentation mouth of expansion chamber is also connected with the charging aperture of pelletizer, and the discharging opening of pelletizer is connected with feeding device; Pelletizer is drum type brake pelletizer; Rotary kiln outside is provided with the first heat exchanger that absorbs rotary kiln heat, and pelletizer inside is provided with the second heat exchanger, and the second heat exchanger is tube type heat exchanger, and the delivery port of water tank and water jacket is connected with the water inlet of the second heat exchanger; The delivery port of the first heat exchanger is connected with the water inlet of the second heat exchanger.
As further technical scheme, described the first heat exchanger is heat-exchangers of the plate type, comprise the first heat exchanger plate, the first movable supporting frame, the second heat exchanger plate and the second movable supporting frame, the first movable supporting frame is fixedly arranged on the first heat exchanger plate bottom, the second movable supporting frame is fixedly arranged on the second heat exchanger plate bottom, the first heat exchanger plate and the second heat exchanger plate are semicircle arcuation, lower end is equipped with the fixed structure cooperatively interacting, and the first heat exchanger plate coordinates with the second heat exchanger plate can be around rotary kiln outside; The first heat exchanger plate with in the second heat exchanger plate, be equipped with the heat exchanging pipe that can be communicated with external water source, the water inlet of heat exchanging pipe is connected with cistern, delivery port is connected with the water inlet of the second heat exchanger; The first movable supporting frame and the second movable supporting frame bottom are equipped with castor.
As further technical scheme, described fixed structure comprise be located at the first heat exchanger plate lower end the first retainer ring, be located at the second retainer ring of the second heat exchanger plate lower end and the steady pin for latch the first retainer ring and the second retainer ring.
As further technical scheme, described the second heat exchanger comprises the thermal conductive shell of tubular, and its inside is provided with hot water channel, and hot water channel's water inlet is connected with the first heat exchanger, water tank and water jacket, and delivery port is connected with cistern.
As further technical scheme, described pelletizer comprises cylindrical shell, support and drive unit, and cylindrical shell is installed on support, and drive unit is located at cylindrical shell outside, can drive barrel body rotation; Cylindrical shell central shaft is 10 °-20 ° with respect to ground inclination angle, and it is divided into affixed pelletizing section and dryer section mutually, and pelletizing section is higher than dryer section; Pelletizing intersegmental part is provided with pelletizing scraper, and pelletizing scraper is fixed on brace summer, and it radially and is axially even and symmetrical distribution along brace summer, and the distance of the inwall of its distance between two tips pelletizing section is 3-8cm; Brace summer two ends are connected with support, and middle part and cylindrical shell are affixed, and it is coaxial and run through cylindrical shell with cylindrical shell; The charging aperture place of pelletizing section is provided with water jet, and dryer section inwall is provided with the second heat exchanger of tubular.
As further technical scheme, described drive unit comprises drive motors and roller, and drive motors is located at cylindrical shell outside, match with the driven wheel that is fixed in cylindrical shell middle part, roller symmetry be located at cylindrical shell outside, match with the rolling ring that is fixed in cylindrical shell outside.
As further technical scheme, described water jet is affixed by bracing frame and support, and water jet is all positioned at the top of pelletizing section.
The beneficial effect that adopts technique scheme to produce is:
Can fully collect the heat and the rotary kiln that in sedimentation and cooling procedure, discharge and heat the heat discharging, and UTILIZATION OF VESIDUAL HEAT IN is got up to carry out further granulation production, reduce and produce required energy consumption, simple in structure, easy to operate, and energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is operation principle schematic diagram of the present utility model;
Fig. 2 is the structural representation of the first heat exchanger in Fig. 1;
Fig. 3 is the right TV structure schematic diagram of Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 2;
Fig. 5 is the structural representation of pelletizer in Fig. 1.
In figure: 1, feeding device; 2, rotary kiln; 3, expansion chamber; 4, herringbone condenser pipe; 5, dust chamber; 6, air-introduced machine; 7, cistern; 8, pelletizer; 81, cylindrical shell; 82, support; 83, pelletizing section; 84, dryer section; 85, pelletizing scraper; 86, brace summer; 87, water jet; 88, motor; 89, roller; 90, driven wheel; 91, rolling ring; 11, the first heat exchanger; 111, the first heat exchanger plate; 112, the first movable supporting frame; 113, the second heat exchanger plate; 114, the second movable supporting frame; 115, castor; 116, the first retainer ring; 117, the second retainer ring; 118, steady pin; 12, the second heat exchanger.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Figure 1-5, be an embodiment of the available secondary zinc oxide production system of a kind of waste heat of the utility model, comprising:
The feeding device 1, rotary kiln 2, expansion chamber 3, herringbone condenser pipe 4, dust chamber 5 and the air-introduced machine 6 that connect successively, its middle setting chamber 3 inside are provided with water tank, herringbone condenser pipe 4 inwalls are provided with water sleeve mouth spray, and the water inlet of water tank and water jacket is connected with cistern 7. Material is thrown in and in rotary kiln 2, is carried out oxidation reaction through feeding device 1, secondary zinc oxide gas and dust are inhaled into subsequently expansion chamber 3 and carry out the sedimentation of dust, secondary zinc oxide gas enters subsequently in herringbone condenser pipe 4 and is got off to form secondary zinc oxide powder by spraying cooling, finally be inhaled in dust chamber 5 and become final products, the heat discharging is during this time absorbed by water jacket.
The sedimentation mouth of expansion chamber 3 is also connected with the charging aperture of pelletizer 8 with belt conveyor by scrapper conveyor, sedimentation material is by secondary operations glomeration, the discharging opening of pelletizer 8 is connected with feeding device 1, process glomerate sedimentation material and return in rotary kiln 2 by feeding device 1, so that remaining zinc element is proceeded to be collected after reduction and oxidation reaction.
Pelletizer 8 is drum type brake pelletizer. Rotary kiln 2 outsides are provided with the first heat exchanger 11, the heat producing for collecting rotary kiln 2. Pelletizer 8 inside are provided with the second heat exchanger 12, it is tube type heat exchanger, the delivery port of water tank and water jacket is connected with the water inlet of the second heat exchanger 12, the second heat exchanger 12 is the hot water in storage cyclic water jacket and water tank, in pelletizer 8, provide heat, make pelletizer 8 can complete being dried after pelletizing. The delivery port of the first heat exchanger 11 is connected with the water inlet of the second heat exchanger 12, and the heat of rotary kiln 2 is also transported in pelletizer 8 as dry the contributing after pelletizing.
The first heat exchanger 11 is heat-exchangers of the plate type, comprises the first heat exchanger plate 111, the first movable supporting frame 112, the second heat exchanger plate 113 and the second movable supporting frame 114. The first movable supporting frame 112 is fixedly arranged on the first heat exchanger plate 111 bottoms, the second movable supporting frame 114 is fixedly arranged on the second heat exchanger plate 113 bottoms, due to the structure of heat exchanger plate tubular, the first movable supporting frame 112 and the second movable supporting frame 114 are provided with two respectively, affixed by transverse beam between movable supporting frame on the same group, make heat exchanger plate stabilized structure. The first movable supporting frame 112 and the second movable supporting frame 114 bottoms are equipped with castor 115, for realizing the movement of heat exchanger plate. The first heat exchanger plate 111 and the second heat exchanger plate 113 are semicircle arcuation, match with the outer wall shape of rotary kiln 2, its lower end is equipped with the fixed structure cooperatively interacting, make the first heat exchanger plate 111 coordinate with the second heat exchanger plate 113 can be firm around rotary kiln 2 outsides, can not re-use in process because slip separates, affect endothermic effect. The first heat exchanger plate 111 is equipped with the heat exchanging pipe that can be communicated with external water source with in the second heat exchanger plate 113, the water inlet of heat exchanging pipe is connected with cistern, delivery port is connected with the second heat exchanger 12, the supply at water source and the transmission of hot water while completing heat exchange. Castor fixture is also installed on castor 115, and in the time that heat exchanger plate is pulled to assigned address, castor fixture is locked castor 115, ensures the relatively fixing of heat exchanger plate position.
Preferably, fixed structure comprise be located at the first heat exchanger plate 111 lower ends the first retainer ring 116, be located at the second retainer ring 117 of the second heat exchanger plate 113 lower ends and the steady pin 118 for latch the first retainer ring 116 and the second retainer ring 117. The first retainer ring 116 and the second retainer ring 117 are equipped with two, lay respectively at the edge of two heat exchanger plate lower ends, and the position of two groups of retainer rings is staggered up and down, facilitates the installation of steady pin 118, and steady pin 118 is also provided with two accordingly. When the first heat exchanger plate 111 and the second heat exchanger plate 113 close to each other to overlaping the jack of retainer ring when from rotary kiln 2 both sides, stop advancing, steady pin 118 is inserted in retainer ring, complete two location between heat exchanger plate, can further ensure its position stability in recovery heat process, heat exchange efficiency improves.
The second heat exchanger 12 comprises the thermal conductive shell 121 of tubular, matches with the internal structure of pelletizer 8. Its inside is provided with hot water channel, hot water channel's water inlet is connected with the first heat exchanger 11, water tank and water jacket, and delivery port is connected with cistern 7, can hold hot water and circulating water flow, finally complete the transmission exchange of heat in water, and then complete the functions/drying of pelletizer 8.
Pelletizer 8 comprises cylindrical shell 81, support 82 and drive unit. Cylindrical shell 81 is installed on support 82, and drive unit is located at cylindrical shell 81 outsides, can drive cylindrical shell 81 to rotate. The two ends of support 82 are respectively equipped with charging aperture and discharging opening, and charging aperture gos deep in cylindrical shell 81, and discharging opening is positioned at the below of cylindrical shell 81, when turnover material, do not waste, and can save production cost. Cylindrical shell 81 central shafts are 10 °-20 ° with respect to ground inclination angle, are conducive to wherein solid matter and move to discharging opening with mild speed. It is divided into affixed pelletizing section 83 and dryer section 84 mutually, and pelletizing section 83, higher than dryer section 84, first completes and utilizes sedimentation material pelletizing, then be dried. Pelletizing section 83 inside are provided with pelletizing scraper 85, pelletizing scraper 85 is fixed on brace summer 86, it radially and is axially even and symmetrical distribution along brace summer 86, brace summer 86 two ends are connected with support 82 by bearing, middle part is affixed with cylindrical shell 81, it is coaxial and run through pelletizing section 83 and dryer section 84 with pelletizing section 83, and brace summer 86 is played a supporting role to cylindrical shell 81, can make cylindrical shell 81 more steady in rotating. The distance of the inwall of pelletizing scraper 85 distance between two tips pelletizing sections 83 is 3-8cm, and the feed end place of cylindrical shell 81 is provided with water jet 87, water jet 87 be all positioned at pelletizing section 83 top, it is affixed by bracing frame and support 82. Because the material that expansion chamber 3 sedimentations are played is relatively dry, cannot pelletizing, therefore should first spray water moistening. When cylindrical shell 81 rotates, material is just divided into suitable bulk by pelletizing scraper 85, completes spheroidizing in rolling process, and it is simple in structure, and operating efficiency is high. Dryer section 84 inwalls are provided with the second heat exchanger 12 of tubular.
Drive unit comprises drive motors 88 and roller 89, and drive motors is located at cylindrical shell 81 outsides, matches with the driven wheel 90 that is fixed in cylindrical shell 81 middle parts, can move cylindrical shell 81 and rotate. Roller symmetry be located at cylindrical shell 81 outsides, match with the rolling ring 91 that is fixed in cylindrical shell 81 outsides, can make that cylindrical shell 81 moves in rotary course steadily.
On the whole, solid material passes through feeding device 1, rotary kiln 2, expansion chamber 3, herringbone condenser pipe 4 successively, finally enter dust chamber 5, the sedimentation material occurring in its middle setting chamber 3 enters pelletizing in pelletizer 8 and again enters feeding device 1 after processing, and completes the circulation of solid material. Simultaneously, water in cistern 7 flows into respectively water jacket, the first heat exchanger 11 and the second heat exchanger 12 in water tank, the hot font condenser pipe 4 in expansion chamber 3, water in the first heat exchanger 11, water tank and water jacket all flows into the second heat exchanger 12, after completing the required exchange heat of dry run, again flow in cistern 7, water in sound field process can be recycled, cut the waste, energy-conserving and environment-protective.
Adopt after said structure, can fully collect the heat and the rotary kiln that in sedimentation and cooling procedure, discharge and heat the heat discharging, and UTILIZATION OF VESIDUAL HEAT IN is got up to carry out further granulation production, reduce and produce required energy consumption, simple in structure, easy to operate, and energy-conserving and environment-protective.
Claims (7)
1. the available secondary zinc oxide production system of waste heat, it is characterized in that: comprise the feeding device (1), rotary kiln (2), expansion chamber (3), herringbone condenser pipe (4), dust chamber (5) and the air-introduced machine (6) that connect successively, its middle setting chamber (3) inside is provided with water tank, herringbone condenser pipe (4) inwall is provided with water jacket, and the water inlet of water tank and water jacket is connected with cistern (7); The sedimentation mouth of expansion chamber (3) is also connected with the charging aperture of pelletizer (8), and the discharging opening of pelletizer (8) is connected with feeding device (1); Pelletizer (8) is drum type brake pelletizer; Rotary kiln (2) outside is provided with the first heat exchanger (11) that absorbs rotary kiln (2) heat, pelletizer (8) inside is provided with the second heat exchanger (12), the second heat exchanger (12) is tube type heat exchanger, and the delivery port of water tank and water jacket is connected with the water inlet of the second heat exchanger (12); The delivery port of the first heat exchanger (11) is connected with the water inlet of the second heat exchanger (12).
2. the available secondary zinc oxide production system of a kind of waste heat according to claim 1, it is characterized in that: described the first heat exchanger (11) is heat-exchangers of the plate type, comprise the first heat exchanger plate (111), the first movable supporting frame (112), the second heat exchanger plate (113) and the second movable supporting frame (114), the first movable supporting frame (112) is fixedly arranged on the first heat exchanger plate (111) bottom, the second movable supporting frame (114) is fixedly arranged on the second heat exchanger plate (113) bottom, the first heat exchanger plate (111) and the second heat exchanger plate (113) are semicircle arcuation, lower end is equipped with the fixed structure cooperatively interacting, the first heat exchanger plate (111) coordinates with the second heat exchanger plate (113) can be around rotary kiln (2) outside, the first heat exchanger plate (111) is equipped with the heat exchanging pipe that can be communicated with external water source with in the second heat exchanger plate (113), and the water inlet of heat exchanging pipe is connected with cistern (7), and delivery port is connected with the water inlet of the second heat exchanger (12), the first movable supporting frame (112) is equipped with castor (115) with the second movable supporting frame (114) bottom.
3. the available secondary zinc oxide production system of a kind of waste heat according to claim 2, is characterized in that: described fixed structure comprise be located at the first heat exchanger plate (111) lower end the first retainer ring (116), be located at second retainer ring (117) of the second heat exchanger plate (113) lower end and the steady pin (118) for latch the first retainer ring (116) and the second retainer ring (117).
4. the available secondary zinc oxide production system of a kind of waste heat according to claim 1, it is characterized in that: described the second heat exchanger (12) comprises the thermal conductive shell (121) of tubular, its inside is provided with hot water channel, hot water channel's water inlet is connected with the first heat exchanger (11), water tank and water jacket, and delivery port is connected with cistern (7).
5. the available secondary zinc oxide production system of a kind of waste heat according to claim 4, it is characterized in that: described pelletizer (8) comprises cylindrical shell (81), support (82) and drive unit, cylindrical shell (81) is installed on support (82), drive unit is located at cylindrical shell (81) outside, can drive cylindrical shell (81) to rotate; Cylindrical shell (81) central shaft is 10 °-20 ° with respect to ground inclination angle, and it is divided into affixed pelletizing section (83) and dryer section (84) mutually, and pelletizing section (83) is higher than dryer section (84); Pelletizing section (83) inside is provided with pelletizing scraper (85), pelletizing scraper (85) is fixed on brace summer (86), it radially and is axially even and symmetrical distribution along brace summer (86), and the distance of the inwall of its distance between two tips pelletizing section (83) is 3-8cm; Brace summer (86) two ends are connected with support (82), and middle part and cylindrical shell (81) are affixed, and it is coaxial and run through cylindrical shell (81) with cylindrical shell (81); The charging aperture place of pelletizing section (83) is provided with water jet (87), and dryer section (84) inwall is provided with second heat exchanger (12) of tubular.
6. the available secondary zinc oxide production system of a kind of waste heat according to claim 5, it is characterized in that: described drive unit comprises drive motors (88) and roller (89), drive motors is located at cylindrical shell (81) outside, match with the driven wheel (90) that is fixed in cylindrical shell (81) middle part, roller symmetry be located at cylindrical shell (81) outside, the rolling ring (91) outside with being fixed in cylindrical shell (81) matches.
7. the available secondary zinc oxide production system of a kind of waste heat according to claim 5, is characterized in that: described water jet (87) is affixed by bracing frame and support (82), and water jet (87) is all positioned at the top of pelletizing section (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958665.3U CN205258505U (en) | 2015-11-27 | 2015-11-27 | Usable secondary zinc oxide production system of waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958665.3U CN205258505U (en) | 2015-11-27 | 2015-11-27 | Usable secondary zinc oxide production system of waste heat |
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| CN205258505U true CN205258505U (en) | 2016-05-25 |
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| CN201520958665.3U Active CN205258505U (en) | 2015-11-27 | 2015-11-27 | Usable secondary zinc oxide production system of waste heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012336A (en) * | 2017-04-01 | 2017-08-04 | 巩卫红 | Rotary kiln oxygen-rich treated industrial solid castoff produces the method and device of Second-rate zinc oxide powder |
-
2015
- 2015-11-27 CN CN201520958665.3U patent/CN205258505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012336A (en) * | 2017-04-01 | 2017-08-04 | 巩卫红 | Rotary kiln oxygen-rich treated industrial solid castoff produces the method and device of Second-rate zinc oxide powder |
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